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EWG's Tap Water Database — 2019 UPDATE

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2,4,5-TP (Silvex)

California Water Service (CWS) - Salinas

2(2,4,5-trichlorophenoxy) propionic acid (2,4,5-TP or Silvex) is a cancer-causing herbicide banned in the U.S. in 1985 because of its toxicity. It is still detected as a groundwater contaminant in areas where it was sprayed or stored.

 

131

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND180ND
2013ND660ND
2014ND140ND
2015ND70ND
2016ND210ND
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 3 ppb

The EWG Health Guideline of 3 ppb for 2,4,5-TP was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 50 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-019590-103-1120ND
2012-02-019590-106-1002ND
2012-02-019590-123-1328ND
2012-02-029590-102-1145ND
2012-03-089590-046-1105ND
2012-05-039590-106-1155ND
2012-05-109590-103-1102ND
2012-05-179590-104-1350ND
2012-05-229590-102-1122ND
2012-05-229590-123-1206ND
2012-08-169590-102-0945ND
2012-08-169590-103-1418ND
2012-08-239590-123-1147ND
2012-08-309590-106-1316ND
2012-11-149590-102-1122ND
2012-11-149590-103-0949ND
2012-11-159590-106-1308ND
2012-11-199590-123-1025ND
2013-01-109590-005-1102ND
2013-01-109590-008-1014ND
2013-01-109590-009-1431ND
2013-01-309590-010-1132ND
2013-02-209590-103-1408ND
2013-02-209590-104-0955ND
2013-02-219590-020-1025ND
2013-02-219590-046-1147ND
2013-02-219590-102-1011ND
2013-02-269590-018-1049ND
2013-02-269590-019-1439ND
2013-02-279590-106-1257ND
2013-02-279590-123-1148ND
2013-02-289590-015-1132ND
2013-03-059590-014-1148ND
2013-03-059590-022-1437ND
2013-03-059590-024-1509ND
2013-03-059590-026-1335ND
2013-03-079590-017-1018ND
2013-03-079590-023-1340ND
2013-03-079590-027-1040ND
2013-03-279590-006-1408ND
2013-04-049590-028-1338ND
2013-04-049590-030-1001ND
2013-04-049590-037-1021ND
2013-04-119590-043-1432ND
2013-04-129590-041-1201ND
2013-04-309590-029-1429ND
2013-05-029590-106-1024ND
2013-05-099590-102-1258ND
2013-05-149590-103-1309ND
2013-05-149590-123-1604ND
2013-07-089590-005-1359ND
2013-07-109590-008-1400ND
2013-07-109590-009-1102ND
2013-07-179590-006-1351ND
2013-07-179590-010-1138ND
2013-08-079590-106-1222ND
2013-08-079590-123-1028ND
2013-08-089590-019-1204ND
2013-08-089590-102-1308ND
2013-08-089590-103-1021ND
2013-08-169590-020-1401ND
2013-08-209590-104-1054ND
2013-08-229590-014-1028ND
2013-08-229590-017-1312ND
2013-08-229590-046-1023ND
2013-08-279590-015-1243ND
2013-08-279590-018-1310ND
2013-09-119590-026-1505ND
2013-09-139590-022-1320ND
2013-09-189590-024-1456ND
2013-09-189590-027-1014ND
2013-09-209590-023-1601ND
2013-10-119590-030-1305ND
2013-10-179590-029-1148ND
2013-10-229590-028-1125ND
2013-10-229590-043-1425ND
2013-10-239590-037-1125ND
2013-10-239590-041-1115ND
2013-10-299590-039-1407ND
2013-11-069590-106-1545ND
2013-11-079590-102-1311ND
2013-11-079590-103-1339ND
2013-11-149590-123-1339ND
2013-12-189590-131-1118ND
2014-02-119590-039-1050ND
2014-02-129590-102-1323ND
2014-02-129590-103-1348ND
2014-02-129590-123-0938ND
2014-02-199590-106-1145ND
2014-05-079590-102-1429ND
2014-05-079590-103-1445ND
2014-05-139590-123-1035ND
2014-08-049590-102-0912ND
2014-08-049590-103-1409ND
2014-08-049590-123-0941ND
2014-11-129590-102-1032ND
2014-11-129590-103-0947ND
2014-11-129590-123-1410ND
2015-02-079590-102-1107ND
2015-02-079590-103-1043ND
2015-02-079590-123-1141ND
2015-04-219590-008-1355ND
2015-05-149590-102-1557ND
2015-05-149590-103-1503ND
2015-05-149590-123-1438ND
2016-01-079590-009-1050ND
2016-01-079590-020-1011ND
2016-01-209590-018-1245ND
2016-02-049590-027-0947ND
2016-02-099590-104-1213ND
2016-02-109590-006-1209ND
2016-02-229590-024-1520ND
2016-03-019590-037-1247ND
2016-03-039590-015-1427ND
2016-04-059590-022-1345ND
2016-04-279590-041-1040ND
2016-05-039590-026-1259ND
2016-05-049590-017-1425ND
2016-06-289590-023-1353ND
2016-08-029590-019-1103ND
2016-09-149590-106-0908ND
2016-09-209590-046-1109ND
2016-10-059590-029-1004ND
2016-10-059590-030-0905ND
2016-12-079590-043-1444ND
2016-12-299590-008-1413ND
2017-01-199590-014-1048ND
2017-03-029590-132-1100ND
2017-04-059590-005-1428ND
2017-11-219590-131-1240ND
2017-12-149590-132-1456ND